27767384

Appears in sequences

• Number of nX(n+2) arrays of permutations of n+2 copies of 0..n-1 with every element equal to or 1 greater than any west or southwest neighbors modulo n and the upper left element equal to 0.at n=6A267565
• Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any west or southwest neighbors modulo 7 and the upper left element equal to 0.at n=8A267571